New Boot For Pilot Valve Group Improves Lever Movement For Hoist Control {5059,5136}
Usage:
793 (3SJ),
793B (1HL) Trucks
Description of Change: A new boot is used for the hoist control pilot valve group. New material and a new pleated design increases flexibility of the boot, making movement of the control lever easier during cold temperatures.
Adaptable To: The new 104-4272 Boot replaces the former 6E-4537 Boot in the 6E-1068 Pilot Valve Group used in the 4E-9783 Control Group.
The new 104-4272 Boot is interchangeable with the former 6E-4537 Boot.
Caterpillar Information System:
1996/10/07 New Material Used In Front Wheels To Increase Service Life {4201,4200,4208}
1996/10/07 Service Manual Module Revisions Available {0374}
1996/09/30 Improved Water Pump Groups Available{1361}
1996/09/30 New Governor Weight And Race Increase Durability{1264}
1996/09/30 An Improved O-Ring Seal And Proper Use Of Adapter Locks Reduces Oil Leaks{1252}
1996/09/30 Improved Sleeve Metering Fuel System (SMFS) 8.5 mm (.34 in) Fuel Pump Plunger Eliminates Plunger And Sleeve Scuffing{1251}
1996/09/30 New Margin Spring In Pressure Compensator Valve Provides Stable Pressure Setting For Implement Pump Groups{5070,5055,5086}
1996/09/30 Original 8R-1284 Lining Kit and 8R-1286 Shoe Assembly Is Recommeded When Servicing Articulated Truck Brakes{4253,4254}
1996/09/30 Window Slider Kit Is Now Available To Update Cab Window In The Right Hand Door Group{7310,7308}
1996/09/30 Shims Now Used In Front Suspension Groups To Increase Upper Suspension Cylinder Bearing Life{7201}
1996/09/30 Service Repair Splined Boom Foot Pins Available For 416B Through 438 Backhoe Loaders{6506}
1996/09/30 Sleeve And Cover For Radio Opening Now In Production Improve Headliner Appearance{7300,7338}
1996/10/07 New Temperature Sensors Used To Monitor Oil Temperature In The Differential Housing {7601,3067}
1996/10/07 New Hoist Rotary Switch Assembly Used To Increase Reliability {1400}
1996/10/07 Special Instruction SEHS9983 Available For Installation And Adjustment Of Truck Body {7258}
1996/10/07 New Fuse Cap Available {1417}
1996/10/07 Effectivity Of Upgrades To Remanufactured Transmissions, Torque Converters And Wheel Assemblies {3001,4051}
1996/10/07 Parts Manuals May List Air Conditioning Compressors Incorrectly {1802,1809,7320}
1996/10/14 Improved Alternator Adjustment Strap And Retention Hardware Used To Maintain Belt Tension {1405}
1996/10/14 New Poppet Valve Group Used In Lines Relief Valve Groups To Prevent Excessive Implement Drift {5117}
1996/10/14 Quieter Operating Check Valve Used In Tank Return Line {5067,5129}
1996/10/14 New Splined Boom Foot Pins Used For Improved Lubrication {6504}
1996/10/14 Stronger Baffle Tube Assembly For Hydraulic And Transmission Tank {5056}
1996/10/14 New Seals Available In Seal Kit For Steering Pump Groups And Hoist Pump Group To Improve Service Life {5073,5083,4306}